From: Dave Hansen <haveblue@us.ibm.com>
To: "Bond, Andrew" <Andrew.Bond@hp.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: TPC-C benchmark used standard RH kernel
Date: Thu, 19 Sep 2002 14:48:59 -0700 [thread overview]
Message-ID: <3D8A464B.20209@us.ibm.com> (raw)
In-Reply-To: 45B36A38D959B44CB032DA427A6E106402D09E45@cceexc18.americas.cpqcorp.net
Bond, Andrew wrote:
> Don't have any data yet on 8-ways. Our focus for the cluster was
> 4-ways because those are what HP uses for most Oracle RAC
> configurations. We had done some testing last year that showed
> very bad scaling from 4 to 8 cpus (only around 10% gain), but that
> was in the days of 2.4.5. The kernel has come a long way from
> then, but like you said there is more work to do in the 8-way
> arena.
>
> Are the 8-way's you are talking about 8 full processors, or 4 with
> Hyperthreading?
The machines that I was talking about are normal 8 full processors.
They're only PIII's, so we don't even have the option.
--
Dave Hansen
haveblue@us.ibm.com
next prev parent reply other threads:[~2002-09-19 21:44 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-19 21:18 TPC-C benchmark used standard RH kernel Bond, Andrew
2002-09-19 21:48 ` Dave Hansen [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-09-20 17:43 Bond, Andrew
2002-09-19 19:27 Bond, Andrew
2002-09-19 20:40 ` Dave Hansen
2002-09-20 17:20 ` Mike Anderson
2002-09-20 17:31 ` Jens Axboe
2002-09-20 18:05 ` Mike Anderson
2002-09-20 20:56 ` William Lee Irwin III
2002-09-20 22:07 ` Martin J. Bligh
2002-09-19 19:15 Bond, Andrew
2002-09-19 17:15 Bond, Andrew
2002-09-19 18:14 ` Dave Hansen
2002-09-19 19:05 ` Martin J. Bligh
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3D8A464B.20209@us.ibm.com \
--to=haveblue@us.ibm.com \
--cc=Andrew.Bond@hp.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.